Wins
18
Indexed tournament wins
Player record
Osborne, Warren
Losses
18
Indexed tournament losses
Matches
36
Decisive results
Win rate
50.0%
Across indexed matches
Peak rating
1,335
Highest rating in the available history.
Biggest upset
Schroder, Gary
Buckeye Open TTT · Mar 19, 2000 · +77 rating
Open →Biggest loss
Brown, Herbert A.
Dayton Giant RR Open · Apr 4, 1998 · -197 rating
Open →Most frequent opponent
Bob Haverstraw
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
4 tournament appearances · synced Aug 11, 2026, 2:24 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 19, 2000 | Buckeye Open TTTTournament · View matches | 1,211 | 1,230 | +19+26 / -7 | 5W / 2L |
| Nov 6, 1999 | Dayton Giant RR OpenTournament · View matches | 1,270 | 1,211 | -59 | 2W / 6L |
| Apr 4, 1998 | Dayton Giant RR OpenTournament · View matches | 1,335 | 1,270 | -65 | 3W / 6L |
| Nov 17, 1996 | Dayton OpenTournament · View matches · Initial rating 1,335 | Unrated | 1,335 | — | 8W / 4L |
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